Home / 13,337.84-18,407.30-7,674.41

Finding the Fourth Proportional to 13,337.84, 18,407.30 and 7,674.41

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Solution

The fourth proportional to 13,337.84, 18,407.30 and 7,674.41 is: 10,591.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,337.84 : 18,407.30 = 7,674.41 : x
  2. Step 2: Convert to fraction form
    13,337.84/18,407.30 = 7,674.41/x
  3. Step 3: Cross multiply
    13,337.84x = 18,407.30 × 7,674.41
  4. Step 4: Simplify right side
    13,337.84x = 141,265,174.84
  5. Step 5: Solve for x
    x = 141,265,174.84/13,337.84
  6. Step 6: Final answer
    x = 10,591.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.